CVE-2024-33896

CVSS 7.2 HIGHEPSS 4.0%CWE-78

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 7.2EPSS 4.0%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

02 Aug 2024Published on NVD

10 Apr 2025Public PoC

Recommendation: Plan a near-term fix — a public PoC already exists.

Cosy+ devices running a firmware 21.x below 21.2s10 or a firmware 22.x below 22.1s3 are vulnerable to code injection due to improper parameter blacklisting. This is fixed in version 21.2s10 and 22.1s3.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a · n/a

public PoCs found — 1

exploitdbwww.exploit-db.com/exploits/52160unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://blog.syss.com/posts/hacking-a-secure-industrial-remote-access-gateway/http://seclists.org/fulldisclosure/2024/Aug/21 https://hmsnetworks.blob.core.windows.net/nlw/docs/default-source/products/cybersecurity/security-advisory/hms-security-advisory-2024-07-29-001--ewon-several-cosy--vulnerabilities.pdf https://www.ewon.biz/products/cosy/ewon-cosy-wifi https://www.hms-networks.com/cyber-security